diff --git a/pkgs/development/compilers/ghc/head.nix b/pkgs/development/compilers/ghc/head.nix
index 8a2a6397257..a0ca13270a2 100644
--- a/pkgs/development/compilers/ghc/head.nix
+++ b/pkgs/development/compilers/ghc/head.nix
@@ -261,6 +261,8 @@ stdenv.mkDerivation (rec {
     description = "The Glasgow Haskell Compiler";
     maintainers = with lib.maintainers; [ marcweber andres peti ];
     inherit (ghc.meta) license platforms;
+    # ghcHEAD times out on aarch64-linux on Hydra.
+    hydraPlatforms = builtins.filter (p: p != "aarch64-linux") ghc.meta.platforms;
   };
 
   dontStrip = (targetPlatform.useAndroidPrebuilt || targetPlatform.isWasm);